Conversations with Jonah, My Five-Year-Old Grandson

I'm writing this blog as a way to get back into the habit of writing. What better inspiration than conversations with my five-year-old grandson, Jonah?

Jonah is five years old...going on fifty. He is curious, opinionated, energetic, and absolutely loves learning. Give him Numberblocks, Alphablocks, Super Why!, or anything involving numbers and letters, and he is completely captivated. He watches, listens, talks, writes, and then talks some more. Did I mention he talks? A lot.

Lately, I've noticed how naturally mathematics has become part of his everyday conversations. He counts out loud. He adds out loud. Thanks to Numberblocks, he'll happily count by twos, threes, fives, and tens. Sometimes he'll even practice without the show playing, working through the patterns on his own.

One day, I decided to join him in his mathematical thinking.

"Gigi, 3 plus 1 is 4."

(My grandsons, Jonah and Maverick, call me Gigi.)

Before I could respond, Jonah continued.

"Gigi, 4 plus 1 is 5."

Instead of simply agreeing, I decided to entertain his reasoning.

"So, Jonah," I asked, "what does 9 plus 1 make?"

"Ten, Gigi!"

Then he kept going with other numbers as if he were teaching the lesson himself.

Wanting to see how far his thinking would go, I grabbed a piece of paper and made a simple T-chart. On the left side, I labeled the column n, and on the right side, n + 1. Under the n column, I wrote 1, 2, 3, 4...and then skipped ahead to 10, thinking I might challenge him.

Without hesitation, Jonah filled in every answer in the n + 1 column.

Then he looked at me with complete confidence and said,

"Gigi, you skipped some numbers."

"I know," I replied. "I can do that if I want."

My real goal wasn't to see whether he could add one. I wanted him to notice the pattern and begin thinking about the rule behind it. I was hoping he would say something like, "You always add one."

That's when I reminded myself that Jonah is only five years old.

He can recognize the pattern. He can produce every answer correctly. But he doesn't yet have the mathematical language to explain the generalization. And that's perfectly okay.

As an educator, moments like these remind me that understanding often develops before children have the vocabulary to describe their thinking. Our job is to nurture both—the reasoning and the language.

So, our mathematical conversations will continue.

Next time, I may pull out a number line or a hundreds chart. Maybe we'll use connecting cubes or counters to help him see the pattern in another way. I might ask questions like:

• "What do you notice every time we add one?"

• "How does the number change?"

• "What stays the same?"

• "Can you predict the next answer before we solve it?"

I'm in no hurry. Mathematics is not just about getting the correct answer; it's about making sense of patterns and learning to explain your thinking.

For now, I'll simply enjoy these conversations with Jonah—one mathematical discovery at a time.

What would you do next? I'd love to hear your ideas for helping a curious five-year-old move from recognizing patterns to explaining them.